Status report on a high temperature solar energy system

Abstract
The system consists of a large array of individually controlled, nearly flat mirrors which direct solar energy into a well insulated optical cavity absorber located at the top of a centrally located tower. Highly concentrated solar flux enters the cavity from the bottom through a windowless aperture and is absorbed in a working fluid. Results of studies by Sandia Laboratories, Livermore, California are summarized and future investigations are outlined. Emphasized is development of an efficient energy absorbing system for electrical power generation, and design consideration for a working system to verify performance calculations. (WDM)

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